gboolean gdk_frame_timings_get_complete ( GdkFrameTimings* timings )
timings are complete.
The timing information in a
GdkFrameTimings is filled in
incrementally as the frame as drawn and passed off to the
window system for processing and display to the user. The
accessor functions for
GdkFrameTimings can return 0 to
indicate an unavailable value for two reasons: either because
the information is not yet available, or because it isn’t
available at all.
Once this function returns
TRUE for a frame, you can be
certain that no further values will become available and be
stored in the